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Trial · NCT04225026

Effects of Intravenous GC4419 on the Incidence and Severity of Esophagitis Due to Chemoradiotherapy for Lung Cancer

NCT04225026, Phase 2, Terminated, Galera Therapeutics, Inc.; results first posted 2023-03-23

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Effects of Intravenous GC4419 on the Incidence and Severity of Esophagitis Due to Chemoradiotherapy for Lung Cancer. Trials, record NCT04225026. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04225026

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Effects of Intravenous GC4419 on the Incidence and Severity of Esophagitis Due to Chemoradiotherapy for Lung Cancer
NCT number
NCT04225026
Status
Terminated
Phases
Phase 2
Enrollment
39 participants, actual
Lead sponsor
Galera Therapeutics, Inc.
Conditions
Esophagitis
Interventions
GC4419 (avasopasem manganese)
First posted
2020-01-13
Last updated
2023-03-23
Results first posted
2023-03-23

Source ClinicalTrials.gov

Registered outcomes3

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
Primary
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
From the first radiation therapy fraction through the end of the study treatment period, which is estimated to be 6 weeks.
Those subjects in the primary efficacy population that experience acute radiation esophagitis (Grade \>/=2; NCI CTCAE version 5) through the end of chemoradiotherapy for NSCLC or SCLC when treated with avasopasem. NCI CTCAE Grading: Grade 1: asymptomatic; clinical or diagnostic observations only; intervention not indicated Grade 2: symptomatic; altered eating/swallowing; oral supplements indicated Grade 3: severely altered eating/swallowing; tube feeding, total parental nutrition (TPN) or hospitalization Grade 4: life-threatening consequences; urgent operative intervention indicated Grade 5: death
SecondaryNumber of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through 4 Weeks After Completion of ChemoradiotherapyFrom the first radiation therapy fraction through 4 weeks after the completion of chemoradiotherapy, which is estimated to be 10 weeks
Those subjects in the in the primary efficacy population that experience Grade \>/= 2 (NCI CTCAE version 5) acute radiation esophagitis through 4 weeks after completion of chemoradiotherapy for NSCLC or SCLC when treated with avasopasem. NCI CTCAE Grading: Grade 1: asymptomatic; clinical or diagnostic observations only; intervention not indicated Grade 2: symptomatic; altered eating/swallowing; oral supplements indicated Grade 3: severely altered eating/swallowing; tube feeding, total parental nutrition (TPN) or hospitalization Grade 4: life-threatening consequences; urgent operative intervention indicated Grade 5: death
SecondaryNumber of Subjects With Acute Severe Radiation Esophagitis (Defined as Grade 3-4; NCI CTCAE Version 5) Through Completion of Chemoradiotherapy.From the first radiation therapy fraction through the completion of chemoradiotherapy, which is estimated to be 6 weeks.
Those subjects in the per protocol population that experienced Grade 3-4 acute radiation esophagitis through the completion of chemoradiotherapy. NCI CTCAE Grading: Grade 1: asymptomatic; clinical or diagnostic observations only; intervention not indicated; Grade 2: symptomatic; altered eating/swallowing; oral supplements indicated; Grade 3: severely altered eating/swallowing; tube feeding, total parental nutrition (TPN) or hospitalization; Grade 4: life-threatening consequences; urgent operative intervention indicated; Grade 5: Death.

Outcomes3

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARY
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
From the first radiation therapy fraction through the end of the study treatment period, which is estimated to be 6 weeks.
Primary Efficacy Population included all subjects who received at lease 1 dose of GC4419 (avasopasem manganese) and either completed their radiation therapy or discontinued their radiation therapy early but were known to have had acute radiation esophagitis.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through 4 Weeks After Completion of ChemoradiotherapyFrom the first radiation therapy fraction through 4 weeks after the completion of chemoradiotherapy, which is estimated to be 10 weeks
Primary Efficacy Population included all subjects who received at lease 1 dose of GC4419 (avasopasem manganese) and either completed their radiation therapy or discontinued their radiation therapy early but were known to have had acute radiation esophagitis.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Subjects With Acute Severe Radiation Esophagitis (Defined as Grade 3-4; NCI CTCAE Version 5) Through Completion of Chemoradiotherapy.From the first radiation therapy fraction through the completion of chemoradiotherapy, which is estimated to be 6 weeks.Per protocol population defined as those subjects completing chemoradiation therapy and at least 5 weeks of GC4419ParticipantsCOUNT_OF_PARTICIPANTS

Results by group19

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
GC4419 (Avasopasem Manganese)Condition Not Present7Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
GC4419 (Avasopasem Manganese)Grade 16Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
GC4419 (Avasopasem Manganese)Grade 217Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
GC4419 (Avasopasem Manganese)Grade 32Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
GC4419 (Avasopasem Manganese)Grade 40Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through the End of Chemoradiotherapy for Non-Small Cell Lung (NSCLC) or Small Cell Lung Cancer (SCLC) When Avasopasem Was Added.
GC4419 (Avasopasem Manganese)Grade 50Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through 4 Weeks After Completion of ChemoradiotherapyGC4419Condition Not Present19Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through 4 Weeks After Completion of ChemoradiotherapyGC4419Grade 14Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through 4 Weeks After Completion of ChemoradiotherapyGC4419Grade 210Participants
Number of Subjects With of Acute Radiation Esophagitis (Defined as Grade >/= 2; NCI CTCAE Version 5) Through 4 Weeks After Completion of ChemoradiotherapyGC4419Grade 31Participants

Participant flow5

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDGC441939
Overall StudyPrimary Efficacy PopulationGC441935
Overall StudyPer Protocol PopulationGC441929
Overall StudyCOMPLETEDGC441915
Overall StudyNOT COMPLETEDGC441924

Adverse events36

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherParaesthesiaNervous system disordersGC441983984
otherNauseaGastrointestinal disordersGC4419223960
otherDysphagiaGastrointestinal disordersGC4419203953
otherOropharyngeal PainRespiratory, thoracic and mediastinal disordersGC4419113933
otherFatigueGeneral disordersGC4419243932
otherVomitingGastrointestinal disordersGC4419153930
seriousPulmonary EmbolismRespiratory, thoracic and mediastinal disordersGC44193393
seriousDyspnoeaRespiratory, thoracic and mediastinal disordersGC44191391
seriousHypoxiaRespiratory, thoracic and mediastinal disordersGC44191391
seriousPneumothorax spontaneousRespiratory, thoracic and mediastinal disordersGC44191391

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityGC44191139
Total, other adverse eventsGC44193939
Total, serious adverse eventsGC44191539

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04225026

GET https://conductscience.org/api/trials/v1/NCT04225026/events?page=2